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Heart|Lab Grown|IGI

1.57ct E FL Heart Lab Grown Diamond

ID • E/FL • IGI LG840619814

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG840619814

Diamond specifications and retailer prices

From $1,354 NZD
$763 USD
As of October 30, 2026
Save $4,561 NZD (77%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $5,915 NZD at MOH London · As of October 29, 2026
View at MOH London

About this 1.57ct lab-grown heart diamond

This 1.57ct lab-grown heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840619814 or 840619814. Listed at 19 retailers as of October 29, 2026, with prices from $1,354 to $5,915, a $4,561 spread on the same certified stone. MOH London lists it at $5,915. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840619814
Dimensions6.99 × 8.16 × 4.69 mm
L/W Ratio1.17
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.99 mm8.16 mm1.57 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840619814
Side View
Table 61.0%Crown 34.4°Girdle: MED-STKPavilion 38.3°Culet: NoneDepth 57.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $5,915 NZD|Low: $1,354 NZD|High: $5,947 NZD|Avg: $3,120 NZD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 30, 2026
Retailer 19$1,354 NZD
Retailer 15$1,473 NZD
Retailer 7$1,515 NZD
Retailer 6$1,570 NZD
Retailer 17$1,570 NZD
Retailer 18$1,737 NZD
Retailer 14$1,881 NZD
Retailer 9$1,994 NZD
Retailer 16$2,213 NZD
Retailer 10$2,250 NZD
Retailer 2$2,399 NZD
Retailer 12$2,885 NZD
Retailer 4$3,733 NZD
Retailer 3$4,413 NZD
Retailer 13$5,057 NZD
Retailer 11$5,283 NZD
Retailer 5$5,303 NZD
Retailer 8$5,418 NZD
MOH London$5,915 NZD

17 data points across 19 retailers

19 retailers$1,354 NZD to $5,915 NZD

A
Cheapest Retailer
-
$1,354 NZD
$763 USD
A
Retailer 2
-
$1,473 NZD
$830 USD
View
A
Retailer 3
-
$1,515 NZD
$854 USD
View
Final sale: no returns
A
Retailer 4
-
$1,570 NZD
$885 USD
View
Retailer 5
-
$1,570 NZD
$885 USD
View
Price last confirmed 13 days ago
Retailer 6
-
$1,737 NZD
£771 GBP
View
Price last confirmed 13 days ago
A
Retailer 7
-
$1,881 NZD
$1,060 USD
View
A
Retailer 8
-
$1,994 NZD
$1,124 USD
View
B+
Retailer 9
-
$2,213 NZD
$1,247 USD
View
B+
Retailer 10
-
$2,250 NZD
$1,268 USD
View
B+
Retailer 11
-
$2,399 NZD
£1,065 GBP
View
B+
Retailer 12
-
$2,885 NZD
ZAR 26,269 ZAR
View
B
Retailer 13
-
$3,733 NZD
$2,104 USD
View
B
Retailer 14
-
$4,413 NZD
$2,487 USD
View
B
Retailer 15
-
$5,057 NZD
$2,850 USD
View
B
Retailer 16
-
$5,283 NZD
SGD 4,024 SGD
View
B
Retailer 17
-
$5,303 NZD
$2,989 USD
View
B
Retailer 18
-
$5,418 NZD
$3,054 USD
View
Most Expensive
B
MOH London
LG840619814 · Oct 29
$5,915 NZD
£2,625 GBP
View
18 more retailers have this diamond
Prices start from $1,354 NZDSave up to $4,561 NZD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.57ct Heart
$1,354 NZD